While most users of the hcall tracepoints will only want the opcode and return code, some will want all the arguments. To avoid the complexity of using varargs we pass a pointer to the register save area, which contains all the arguments. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
		
			
				
	
	
		
			133 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM powerpc
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#if !defined(_TRACE_POWERPC_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_POWERPC_H
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#include <linux/tracepoint.h>
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struct pt_regs;
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TRACE_EVENT(irq_entry,
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	TP_PROTO(struct pt_regs *regs),
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	TP_ARGS(regs),
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	TP_STRUCT__entry(
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		__field(struct pt_regs *, regs)
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	),
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	TP_fast_assign(
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		__entry->regs = regs;
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	),
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	TP_printk("pt_regs=%p", __entry->regs)
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);
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TRACE_EVENT(irq_exit,
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	TP_PROTO(struct pt_regs *regs),
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	TP_ARGS(regs),
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	TP_STRUCT__entry(
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		__field(struct pt_regs *, regs)
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	),
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	TP_fast_assign(
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		__entry->regs = regs;
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	),
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	TP_printk("pt_regs=%p", __entry->regs)
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);
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TRACE_EVENT(timer_interrupt_entry,
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	TP_PROTO(struct pt_regs *regs),
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	TP_ARGS(regs),
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	TP_STRUCT__entry(
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		__field(struct pt_regs *, regs)
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	),
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	TP_fast_assign(
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		__entry->regs = regs;
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	),
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	TP_printk("pt_regs=%p", __entry->regs)
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);
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TRACE_EVENT(timer_interrupt_exit,
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	TP_PROTO(struct pt_regs *regs),
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	TP_ARGS(regs),
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	TP_STRUCT__entry(
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		__field(struct pt_regs *, regs)
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	),
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	TP_fast_assign(
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		__entry->regs = regs;
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	),
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	TP_printk("pt_regs=%p", __entry->regs)
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);
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#ifdef CONFIG_PPC_PSERIES
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extern void hcall_tracepoint_regfunc(void);
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extern void hcall_tracepoint_unregfunc(void);
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TRACE_EVENT_FN(hcall_entry,
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	TP_PROTO(unsigned long opcode, unsigned long *args),
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	TP_ARGS(opcode, args),
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	TP_STRUCT__entry(
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		__field(unsigned long, opcode)
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	),
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	TP_fast_assign(
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		__entry->opcode = opcode;
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	),
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	TP_printk("opcode=%lu", __entry->opcode),
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	hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc
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);
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TRACE_EVENT_FN(hcall_exit,
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	TP_PROTO(unsigned long opcode, unsigned long retval,
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		unsigned long *retbuf),
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	TP_ARGS(opcode, retval, retbuf),
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	TP_STRUCT__entry(
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		__field(unsigned long, opcode)
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		__field(unsigned long, retval)
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	),
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	TP_fast_assign(
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		__entry->opcode = opcode;
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		__entry->retval = retval;
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	),
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	TP_printk("opcode=%lu retval=%lu", __entry->opcode, __entry->retval),
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	hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc
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);
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#endif
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#endif /* _TRACE_POWERPC_H */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH asm
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#define TRACE_INCLUDE_FILE trace
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#include <trace/define_trace.h>
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